题目内容
---Is Jack on duty today?
---It ________ be him. It's his turn tomorrow.
A. mustn't B. won't C. can't D. needn't
【答案】
C
【分析】根据题意,回答应该是“不可能是他”。在情态动词表推测时,must不能用于否定句,will是有肯定含义(That’ll be the doctor now 现在准是医生来了。此时约等于must)D。含义不对
【高考考点】情态动词表推测
【易错点】:B. 是很多同学容题犯的一个错误。
【备考提示】:情态动词是每年的考点之一,也是学习的重点和难点。学习情态动词的最佳方法就是记住他们的含义、区别与联系。在解题的时候要正确理解句子含义,正确把握说话人的语气和态度。
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